Find the period for the function f in R:

f(x+1)f(x)+f(x+1)+1=f(x)

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- November 5th 2009, 08:43 PMdhiabPeriod : 2
**Find the period for the function f in R:**

**f(x+1)f(x)+f(x+1)+1=f(x)** - November 6th 2009, 01:27 AMred_dog
We have .

Replace x with x+1:

Replace x with x+2:

.

Then the period is 4.